OpenCVで日本語の画像ファイルを読み書きする方法

import cv2
import os
import numpy as np

def main():

    READ_FILE = "./テスト.jpg"
    WRITE_FILE = "./テスト2.jpg"

    # 読込
    f = cv2.imdecode(np.fromfile(READ_FILE, dtype=np.uint8),
                    cv2.IMREAD_UNCHANGED)

    # 64x64にリサイズを実施
    resize_face = cv2.resize(f, (64, 64))

    #保存
    is_success, im_buf_arr = cv2.imencode(".jpg", resize_face)
    im_buf_arr.tofile(WRITE_FILE)

if __name__ == "__main__":
    main()